Microsoft Azure AI Speech Launches Voice Live API with Multilingual, Emotion-Rich Real-Time Voice and Video Translation Features

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Microsoft’s Azure AI Speech is revolutionizing customer engagement with its new Voice Live API, enabling natural, real-time voice interactions powered by generative AI. Enhanced features like multilingual support, customizable voices, and lip-sync video translation are transforming industries worldwide. Unique :

Voice-Enabled AI Agents: The Future of Customer Engagement with Azure AI Speech

Voice interaction is quickly becoming the go-to method for engaging with AI agents. Microsoft’s Azure AI Speech is leading this transformation, powering natural, real-time conversations across industries. From sports teams like the Indiana Pacers to global giants like Coca-Cola, enterprises are embracing voice-enabled AI to elevate customer experiences.

What’s New: Introducing the Voice Live API

Microsoft just launched the Voice Live API in public preview, designed to simplify building voice agents. This unified API supports low-latency, speech-to-speech conversations using your choice of generative AI models. It supports over 150 locales and offers more than 600 realistic voices, including 30+ ultra-natural neural HD voices optimized for chat.

Customization is a big win here. You can fine-tune voices and even add avatars to give your voice agents a unique personality. Plus, advanced audio features like noise suppression and interruption detection ensure smooth, natural conversations.

“The Voice Live API empowers users with streaming interactions supported by their chosen generative AI models.”

Major Updates: Video Translation & Neural HD Voices

Azure AI Speech also rolled out the Video Translation Service with general availability. This service translates videos into 70+ languages while syncing lip movements and preserving emotional tone. The result? Multilingual videos that feel authentic and immersive.

Additionally, the DragonHD Neural TTS voices are now generally available. These voices use large language models to capture emotional nuances and context, making AI conversations sound incredibly natural. Custom voice fine-tuning is supported, allowing brands to create voices that truly represent them.

“Azure AI Speech DragonHD TTS voices incorporate advanced features to identify emotional cues within the input text.”

Why It Matters: Real-World Applications and Expanded Language Support

Companies like CommerzBank, the Government of Malta, and Anker are already integrating these voice capabilities into customer service, wearable devices, and call centers. The Voice Live API’s compatibility with Azure Communication Services makes it easy to embed voice AI into existing telephony systems.

Moreover, Fast Transcription has expanded its language support to include Danish, Finnish, Hebrew, Indonesian, Polish, Portuguese, Swedish, and more. This makes transcription and multilingual support more accessible for global businesses.

Get Started Today

Developers can explore these features in the improved Azure AI Foundry and try out demos like the Voice Live Playground. Whether you’re building chatbots, video translation workflows, or transcription services, Azure AI Speech offers powerful tools to create engaging, natural voice experiences.

Voice-enabled AI agents are no longer futuristic—they’re here, and they’re changing how businesses connect with customers worldwide.

  • Voice Live API supports over 150 locales and 600+ realistic voices, including 30+ ultra-natural neural HD voices.
  • New Video Translation service offers lip-sync and emotion-enhanced voices for authentic multilingual video content.
  • DragonHD Neural TTS voices use large language models for context-aware, emotionally rich speech synthesis.
  • Fast Transcription now supports additional languages including Danish, Finnish, Hebrew, and more.
  • Integration with Azure AI Agent Service and Azure Communication Services enables seamless voice agent deployment in call centers and wearable devices.
  • From the New blog articles in Microsoft Community Hub



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